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THD Minimization and Fault Analysis of Modular Multilevel Converters

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THD Minimization and Fault Analysis of Modular Multilevel Converters


Er. Amit Kumar Paswan | Er. Poonam Kumari



Er. Amit Kumar Paswan | Er. Poonam Kumari "THD Minimization and Fault Analysis of Modular Multilevel Converters" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-5, August 2021, pp.928-933, URL: https://www.ijtsrd.com/papers/ijtsrd44963.pdf

Modular Multilevel Converters (M2Cs) have become an interesting topology for dc/ac conversions and vice versa showing advantages of high modularity, extensible, fault tolerant ability, high quality output and decreased harmonics. Number of converter sub modules (SMs) operates in a sequence, generating multilevel output voltages and currents. This manuscript focuses on the comparative analysis of M2Cs based upon the total harmonic distortion (THD) under the application of LCL filter. The objective of filter application is to ensure that voltage harmonic distortion at the point of common coupling is less than 5%. Also, a fault monitoring scheme to detect and localize M2C SM switch failures is discussed. The presented scheme detects and localizes the fault in relatively lesser time. Simulation results are presented in order to verify results based upon the prototypes with 5, 7 and 9-level M2C.

Modular Multilevel Converters (M2Cs), Sub modules (SMs), Total Harmonic Distortion (THD).


IJTSRD44963
Volume-5 | Issue-5, August 2021
928-933
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

International Journal of Trend in Scientific Research and Development - IJTSRD having online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International Journal which provides rapid publication of your research articles and aims to promote the theory and practice along with knowledge sharing between researchers, developers, engineers, students, and practitioners working in and around the world in many areas like Sciences, Technology, Innovation, Engineering, Agriculture, Management and many more and it is recommended by all Universities, review articles and short communications in all subjects. IJTSRD running an International Journal who are proving quality publication of peer reviewed and refereed international journals from diverse fields that emphasizes new research, development and their applications. IJTSRD provides an online access to exchange your research work, technical notes & surveying results among professionals throughout the world in e-journals. IJTSRD is a fastest growing and dynamic professional organization. The aim of this organization is to provide access not only to world class research resources, but through its professionals aim to bring in a significant transformation in the real of open access journals and online publishing.

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